JEE MATHEMATICS MCQ: STRAIGHT LINES

1 Medium

1 of 1

Application +4 | -1

If the line

px - qy = r

intersects the coordinate axes at (a,0) and (0,b), thyen the value of a+b is equal to

View answer and explanation

Correct option: B

r\left( {\frac{{q - p}}{{pq}}} \right)

Option A (

r\left( {\frac{{{{q + p}}}}{{{{pq}}}}} \right)

) is correct because it represents the sum of the x and y intercepts of the line px - qy = r.

More Questions from STRAIGHT LINES

Practice All Chapter MCQs →

x-3 y=p, a x+2 y=q

a x+y=r

\left\{ {a{t_1}{t_2},\;a\left( {{t_1} + {t_2})\} ,\{ a{t_2}{t_3},a({t_2} + {t_3}} \right)} \right\},\;\left\{ {a{t_3}{t_1},\;a\left( {{t_3} + {t_1}} \right)} \right\}

y = 2\;x + 4

6x = 3y + 5

{x^2} + {y^2} + 2xy - 8ax - 8ay - 9{a^2} = 0

(3,8)

x+3 y=7

\left( {{x^2} + 7xy + 2{y^2}} \right)\left( {y - 1} \right) = 0